The Smith & Wesson M&P is a full sized, semi-automatic handgun designed for both duty use and personal defense. Chambered for the 9mm Luger cartridge and featuring a 17 round magazine capacity, this pistol can deliver quite a bit of firepower. Watch along as Larry Potterfield, Founder and CEO of MidwayUSA, tests the Smith & Wesson M&P to see how it rates overall for personal defense in three important areas.